style: apply cargo fmt workspace-wide

Pure formatting pass from `cargo fmt --all`. No logic changes. Separating
this out so the 1.9 release feature commits that follow show only their
intentional edits.

wfe-yaml/tests/types.rs

@@ -1,4 +1,4 @@
-use wfe_yaml::types::{parse_type_string, SchemaType};
+use wfe_yaml::types::{SchemaType, parse_type_string};
 
 #[test]
 fn parse_all_primitives() {